%I #7 Sep 17 2014 12:49:59
%S 1,2,2,2,4,4,8,6,2,4,12,12,4,8,24,24,8,16,36,12,18,6,24,16,32,72,24,
%T 36,12,48,32,64,144,48,72,24,36,60,64,56,72,108,36,144,96,144,48,72,
%U 120,128,112,144,6,210,72,288,192,288,96,144,240,256,224,288,12,420,144,216
%N Difference between consecutive least integers of each prime signature.
%H Reinhard Zumkeller, <a href="/A178799/b178799.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = A025487(n+1) - A025487(n).
%o (Haskell)
%o a178799 n = a178799_list !! (n-1)
%o a178799_list = zipWith (-) (tail a025487_list) a025487_list
%o -- _Reinhard Zumkeller_, Sep 17 2014
%Y Cf. A025487
%K easy,nonn
%O 1,2
%A _Will Nicholes_, Jun 15 2010
%E Minor edits by _Ray Chandler_, Jul 31 2010